Mattress of an animal bed assembly



FIG. 1 is a top, front right perspective view of a first embodiment of amattress of an animal bed assembly shown according to the presentdesign;

FIG. 2 is a bottom, front right perspective view thereof;

FIG. 3 is a front end view thereof;

FIG. 4 is a rear end view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top, front right perspective view of a second embodiment ofa mattress of an animal bed assembly shown according to the presentdesign;

FIG. 10 is a bottom, front right perspective view thereof;

FIG. 11 is a front end view thereof;

FIG. 12 is a rear end view thereof;

FIG. 13 is a right side elevational view thereof;

FIG. 14 is a left side elevational view thereof;

FIG. 15 is a top plan view thereof;

FIG. 16 is a bottom plan view thereof;

FIG. 17 is a top, front right perspective view of a third embodiment ofa mattress of an animal bed assembly shown according to the presentdesign;

FIG. 18 is a bottom, front right perspective view thereof;

FIG. 19 is a front end view thereof;

FIG. 20 is a rear end view thereof;

FIG. 21 is a right side elevational view thereof;

FIG. 22 is a left side elevational view thereof;

FIG. 23 is a top plan view thereof;

FIG. 24 is a bottom plan view thereof;

FIG. 25 is a top, front right perspective view of a fourth embodiment ofa mattress of an animal bed assembly shown according to the presentdesign;

FIG. 26 is a bottom, front right perspective view thereof;

FIG. 27 is a front end view thereof;

FIG. 28 is a rear end view thereof;

FIG. 29 is a right side elevational view thereof;

FIG. 30 is a left side elevational view thereof;

FIG. 31 is a top plan view thereof;

FIG. 32 is a bottom plan view thereof;

FIG. 33 is a top, front right perspective view of a fifth embodiment ofa mattress of an animal bed assembly shown according to the presentdesign;

FIG. 34 is a bottom, front right perspective view thereof;

FIG. 35 is a front end view thereof;

FIG. 36 is a rear end view thereof;

FIG. 37 is a right side elevational view thereof;

FIG. 38 is a left side elevational view thereof;

FIG. 39 is a top plan view thereof;

FIG. 40 is a bottom plan view thereof;

FIG. 41 is a top, front right perspective view of a sixth embodiment ofa mattress of an animal bed assembly shown according to the presentdesign;

FIG. 42 is a bottom, front right perspective view thereof;

FIG. 43 is a front end view thereof;

FIG. 44 is a rear end view thereof;

FIG. 45 is a right side elevational view thereof;

FIG. 46 is a left side elevational view thereof;

FIG. 47 is a top plan view thereof; and,

FIG. 48 is a bottom plan view thereof.

The broken lines in the figures illustrate portions of the mattress ofan animal bed assembly that form no part of the claimed design.

CLAIM The ornamental design for a mattress of an animal bed assembly, asshown and described.